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Home >> Hyundai >> 2013 >> Tucson GL, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0031: HO2S Heater Control Circuit Low (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITIONS

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  • Related fuse blown or missing
  • Open or short to ground in power circuit
  • Short to ground in control circuit
  • Poor connection or damaged harness
  • Faulty HO2S
Enable Conditions
  • 10V < Battery voltage < 16Vs
  • 1.5% < Heater power < 98.5%
  • Exhaust gas Temp. > 300°C (572°F)
Threshold Value
  • Short to ground
Diagnostic Time
  • 1 sec.
Mil On Condition
  • 2 Driving Cycles
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